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Discussion Starter · #1 ·
hi all,
back again
i am going to fit a manual boost control valve to my carlsson instead of the APC valve and was just wondering if any one knows which pipe from the apc goes to which part of the MBC valve
the MBC valve is from forge motorsport ( thanks andy ( saab90002.3t ) for the link because it was only £24 including vat & postage instead of £45+ from abbot

hopefully this will solve my boost problems
any help will be much appreciated
thanks
mark
 

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yep,if its a three way mbc,fit the spigot that is under the adjusting wheel goes to the waste gate.ie when fully turned in you cant blow through that spigot.the other two, to the other two look closely and you will see on the hoses the letter that coresponds to the spigots on the bpc on the rad.start with the mbc wheel right out.this will let all the pressure to the wastegate(lowest boost).take it for a spin and turn the wheel in(BIT AT A TIME!!!)this will encrease the boost.keep going till you have the best setting.(DONT GO TOO FAR WITH IT THO).
enjoy
simon
 
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